EP1988104B1 - Copolymère de propylène, composition de polypropylène, utilisation de celle-ci, composés de métal de transition, et catalyseurs pour polymérisation d'oléfines - Google Patents

Copolymère de propylène, composition de polypropylène, utilisation de celle-ci, composés de métal de transition, et catalyseurs pour polymérisation d'oléfines Download PDF

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Publication number
EP1988104B1
EP1988104B1 EP20080011464 EP08011464A EP1988104B1 EP 1988104 B1 EP1988104 B1 EP 1988104B1 EP 20080011464 EP20080011464 EP 20080011464 EP 08011464 A EP08011464 A EP 08011464A EP 1988104 B1 EP1988104 B1 EP 1988104B1
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tert
polymerization
polymer
mmol
butyl
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EP1988104A1 (fr
Inventor
Shigenobu Ikenaga
Keiji Okada
Hiroshi Takayasu
Norihide Inoue
Naritoshi Hirota
Hiromu Kaneyoshi
Munehito Funaya
Koji Kawai
Nobuo Kawahara
Shinichi Kojoh
Norio Kashiwa
Ryoji Mori
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Mitsui Chemicals Inc
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Mitsui Chemicals Inc
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F210/04—Monomers containing three or four carbon atoms
    • C08F210/06—Propene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F210/00—Copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F210/04—Monomers containing three or four carbon atoms
    • C08F210/08—Butenes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/14—Copolymers of propene
    • C08L23/142—Copolymers of propene at least partially crystalline copolymers of propene with other olefins
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00—Polymerisation catalysts
    • C08F4/42—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors
    • C08F4/44—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides
    • C08F4/60—Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides together with refractory metals, iron group metals, platinum group metals, manganese, rhenium technetium or compounds thereof
    • C08F4/62—Refractory metals or compounds thereof
    • C08F4/64—Titanium, zirconium, hafnium or compounds thereof
    • C08F4/659—Component covered by group C08F4/64 containing a transition metal-carbon bond
    • C08F4/6592—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring
    • C08F4/65922—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not
    • C08F4/65927—Component covered by group C08F4/64 containing a transition metal-carbon bond containing at least one cyclopentadienyl ring, condensed or not, e.g. an indenyl or a fluorenyl ring containing at least two cyclopentadienyl rings, fused or not two cyclopentadienyl rings being mutually bridged
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S428/00—Stock material or miscellaneous articles
    • Y10S428/91—Product with molecular orientation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S526/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S526/943—Polymerization with metallocene catalysts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1328—Shrinkable or shrunk [e.g., due to heat, solvent, volatile agent, restraint removal, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31909—Next to second addition polymer from unsaturated monomers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31909—Next to second addition polymer from unsaturated monomers
    • Y10T428/31913—Monoolefin polymer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31855—Of addition polymer from unsaturated monomers
    • Y10T428/31938—Polymer of monoethylenically unsaturated hydrocarbon

Definitions

  • the present invention relates to a transition metal compound that has a novel and specific structure effective as a component for olefin polymerization catalyst, and an olefin polymerization catalyst containing the transition metal compound.
  • Metallocene compounds are of much interest recently as homogenous catalysts for olefin polymerization. Olefin polymerization with use of the metallocene compounds, particularly stereoregular polymerization of ⁇ -olefins, has been studied by many since the report of isotactic polymerization by W. Kaminsky, et al. (Angew. Chem. Int. Ed. Engl., 24, 507 (1985 )).
  • stereoregular polymers such as:
  • polypropylenes with lower molecular weights result when substituent groups are introduced into two adjacent positions in the cyclopentadienyl ring of a catalyst component ( JP-A-2001-526730 and JP-A-H10-226694 ); for example, dimethylmethylene (3-tert-butyl-2-methylcyclopentadienyl) (fluorenyl) zirconium dichloride and diphenylmethylene (3,4-dimethylcyclopentadienyl) (fluorenyl) zirconium dichloride can catalyze polymerization so as to give lower molecular weight polypropylenes relative to dimethylmethylene(3-tert-butyl-5-methylcyclopentadienyl) (fluorenyl)zirconium dichloride and diphenylmethylene (3-methylcyclopentadienyl) (fluorenyl) zirconium dichloride, respectively.
  • a catalyst component JP-A-2001
  • the polymerization catalysts containing the metallocene compounds are required for further improvements in terms of polymerization activity, stereoregularity and molecular weight control.
  • a polymerization catalyst that contains a metallocene compound as described in JP-A-H10-298221 can copolymerize ethylene and propylene while avoiding fouling, but the resultant copolymer has a remarkably lower molecular weight than a propylene homopolymer obtained with the catalyst.
  • a polymerization catalyst that contains a metallocene compound as described in JP-A-H10-120733 copolymerizes ethylene and propylene to provide a higher molecular weight copolymer with no fouling.
  • this polymerization catalyst essentially requires a specific combination of an ionic compound and a metallocene compound, its versatility is rather limited.
  • olefin polymerization for example copolymerization of ethylene and propylene, with these catalysts containing the metallocene compounds, has been almost unable to produce polymers having high molecular weights.
  • the present invention aims at solving the aforesaid problems.
  • the present inventors have developed a novel transition metal compound useful as an olefin polymerization catalyst component that has a ligand in which a cyclopentadienyl ring with substituent groups at two non-adjacent positions and a fluorenyl ring are bridged via an aryl-substituted carbon atom, and also an olefin polymerization catalyst containing the transition metal compound.
  • the present invention has been accomplished based on these findings.
  • the present invention has objects of providing a novel transition metal compound useful as an olefin polymerization catalyst component, an olefin polymerization catalyst that contains the transition metal compound, and a process for producing high molecular weight olefin polymers.
  • the transition metal compound according to the present invention is represented by the formula (2a): wherein each of R 1 and R 3 is hydrogen; R 2 and R 4 are identically or differently which selected from a hydrocarbon group or a silicon-containing group; R 5 , R 6 , R 7 , R 8 , R 9 , R 10 , R 11 , R 12 and R 13 are identically or differently selected from hydrogen, a hydrocarbon group or a silicon-containing group; and adjacent substituent groups R 5 to R 12 may be linked to form a ring; R 14 is an aryl group; R 13 and R 14 may be identical or different from each other and may be linked to form a ring; M is a Group-4 transition metal; Y is a carbon atom; Q may identically or differently be selected from halogen, a hydrocarbon group, anionic ligand or neutral ligand capable of coordination with a lone pair of electrons, and j is an integer of 1 to 4.
  • the transition metal compound (3a) according to the present invention has the formula (2a) in which both R 13 and R 14 are aryl groups.
  • the olefin polymerization catalyst according to the present invention comprises (A) the transition metal compound (2a) or (3a) and (B) at least one compound selected from:
  • the process for producing olefin polymers according to the present invention comprises polymerizing one or more monomers selected from ethylene and ⁇ -olefins in the presence of the olefin polymerization catalyst, wherein at least one monomer is ethylene or propylene.
  • the transition metal compound (2a) or (3a) is preferably used in a supported form on a carrier.
  • the olefin polymerization catalyst containing the aforesaid transition metal compound can polymerize one or more monomers selected from ethylene and ⁇ -olefins to yield olefin copolymers having remarkably high molecular weights.
  • the one or more monomers essentially contain at least either ethylene or propylene.
  • transition metal compound of the invention as an olefin polymerization catalyst component.
  • transition metal compound of the formula (2a) exemplary preferred transition metal compounds
  • production process for the transition metal compound preferred embodiment of the transition metal compound in olefin polymerization catalysts, and olefin polymerization in the presence of an olefin polymerization catalyst containing the transition metal compound of the present invention.
  • the transition metal compound according to the present invention has the formula (2a): wherein R 1 and R 3 are each a hydrogen atom; R 2 and R 4 , which may be the same or different, are each a hydrocarbon group or a silicon-containing group; and R 5 , R 6 , R 7 , R 8 , R 9 , R 10 , R 11 , R 12 and R 13 , which may be the same or different, are each a hydrogen atom, a hydrocarbon group or a silicon-containing group.
  • the hydrocarbon groups include linear hydrocarbon groups such as methyl, ethyl, n-propyl, allyl, n-butyl, n-pentyl, n-hexyl, n-heptyl, n-octyl, n-nonyl and n-decanyl groups; branched hydrocarbon groups such as isopropyl, tert-butyl, amyl, 3-methylpentyl, 1,1-diethylpropyl, 1,1-dimethylbutyl, 1-methyl-1-propylbutyl, 1,1-dipropylbutyl, 1,1-dimethyl-2-methylpropyl and 1-methyl-l-isopropyl-2-methylpropyl groups; saturated cyclic hydrocarbon groups such as cyclopentyl, cyclohexyl, cycloheptyl, cyclooctyl, norbornyl and adamantyl groups; unsaturated
  • the silicon-containing groups include trimethylsilyl, triethylsilyl, dimethylphenylsilyl, diphenylmethylsilyl and triphenylsilyl groups. Neighboring substituent groups of R 5 to R 12 may link together to form a ring. Examples of the substituted fluorenyl group include benzofluorenyl, dibenzofluorenyl, octahydrodibenzofluorenyl, octamethyloctahydrodibenzofluorenyl and octamethyltetrahydrodicyclopentafluorenyl groups.
  • R 14 is an aryl group. Examples thereof include the above-mentioned unsaturated cyclic hydrocarbon groups, saturated hydrocarbon groups substituted with unsaturated cyclic hydrocarbon groups, and heteroatom-containing unsaturated cyclic hydrocarbon groups such as furyl, pyrryl and thienyl groups. R 13 and R 14 may be the same or different, and may link together to form a ring. Examples of such substituent groups include:
  • R 2 and R 4 substituent groups to the cyclopentadienyl ring, are preferably hydrocarbon groups of 1 to 20 carbon atoms.
  • the hydrocarbon groups of 1 to 20 carbon atoms include the aforementioned hydrocarbon groups.
  • R 2 is a bulky substituent group such as tert-butyl, adamantyl or triphenylmethyl group
  • R 4 is a sterically smaller substituent group than R 2 , such as methyl, ethyl or n-propyl group.
  • "sterically smaller” means that the substituent group has a smaller volume.
  • R 6 , R 7 , R 10 and R 11 are preferably hydrocarbon groups of 1 to 20 carbon atoms.
  • the hydrocarbon groups of 1 to 20 carbon atoms include the aforesaid hydrocarbon groups.
  • these groups are preferably symmetrical: R 6 and R 11 are the same groups and R 7 and R 10 are the same groups.
  • R 6 and R 7 form an aliphatic ring (AR-1) and R 10 and R 11 form an aliphatic ring (AR-2) identical to the aliphatic ring (AR-1).
  • Y bridging the cyclopentadienyl and fluorenyl rings is a carbon atom.
  • the substituent groups R 13 and R 14 to Y are preferably both aryl groups having 6 to 20 carbon atoms. These substituent groups may be the same or different, and may link together to form a ring.
  • Exemplary aryl groups of 6 to 20 carbon atoms include the above-mentioned unsaturated cyclic hydrocarbon groups, saturated hydrocarbon groups substituted with unsaturated cyclic hydrocarbon groups, and heteroatom-containing unsaturated cyclic hydrocarbon groups.
  • R 13 and R 14 may be the same or different, and may link together to form a ring.
  • Preferred examples thereof include fluorenylidene, 10-hydroanthracenylidene and dibenzocycloheptadienylidene groups.
  • M denotes a Group-4 transition metal, such as Ti, Zr or Hf
  • Q denotes a halogen atom, a hydrocarbon group, an anionic ligand or a neutral ligand capable of coordination by a lone pair of electrons, and may be the same or different when plural
  • j is an integer of 1 to 4.
  • Q may be the same or different.
  • the halogens include fluorine, chlorine, bromine and iodine. Examples of the hydrocarbon group are as described above.
  • Exemplary anionic ligands include alkoxy groups such as methoxy, tert-butoxy and phenoxy groups; carboxylate groups such as acetate and benzoate groups; and sulfonate groups such as mesylate and tosylate groups.
  • the neutral ligands capable of coordination by a lone pair of electrons include organophosphorus compounds such as trimethylphosphine, triethylphosphine, triphenylphosphine and diphenylmethylphosphine; and ethers such as tetrahydrofuran, diethylether, dioxane and 1,2-dimethoxyethane.
  • at least one Q is the halogen atom or alkyl group.
  • Preferred transition metal compounds for the present invention include diphenylmethylene (3,5-dimethyl-cyclopentadienyl)(fluorenyl)zirconium dichloride, diphenylmethylene (3,5-dimethyl-cyclopentadienyl) (2, 7-di-tert-butylfluorenyl) zirconium dichloride, diphenylmethylene(3,5-dimethyl-cyclopentadienyl) (3,6-di-tert-butylfluorenyl) zirconium dichloride, diphenylmethylene(3,5-dimethyl-cyclopentadienyl) (octamethyloctahydrodibenzofluorenyl) zirconium dichloride, diphenylmethylene(3-tert-butyl-5-methyl-cyclopentadienyl) (fluorenyl) zirconium dichloride, diphenylmethylene (3-tert
  • the transition metal compound for example the compound of the formula (2a), may be synthesized as described below.
  • a precursor compound (1) of the compound represented by the formula (2a) is prepared by a series of steps [A] or [B] illustrated below: wherein R 1 to R 14 and Y are as defined for the formula (2a); L is an alkali metal; Z 1 and Z 2 , which may be the same or different, are each a halogen or an anionic ligand; and (1), (2) and (5), which are shown with one exemplary form in the formulae, may be each an isomer different only in the positions of the double bonds in the cyclopentadienyl ring, or a mixture of such isomers.
  • the alkali metal used may be lithium, sodium or potassium; the alkali earth metal may be magnesium or calcium; the halogen may be fluorine, chlorine, bromine or iodine; and the anionic ligand may be an alkoxy group such as methoxy, tert-butoxy or phenoxy, a carboxylate group such as acetate or benzoate, or a sulfonate group such as mesylate or tosylate.
  • the precursor compound (1) obtained by the reaction process [A] or [B] is brought into contact with an alkali metal, a hydrogenated alkali metal or an organoalkali metal in an organic solvent at a reaction temperature of -80 to 200°C to form a dialkali metal salt.
  • organic solvent used herein examples include aliphatic hydrocarbons such as pentane, hexane, heptane, cyclohexane and decalin: aromatic hydrocarbons such as benzene, toluene and xylene; ethers such as tetrahydrofuran, diethylether, dioxane and 1,2-dimethoxyethane; and halogenated hydrocarbons such as dichloromethane and chloroform.
  • aromatic hydrocarbons such as benzene, toluene and xylene
  • ethers such as tetrahydrofuran, diethylether, dioxane and 1,2-dimethoxyethane
  • halogenated hydrocarbons such as dichloromethane and chloroform.
  • Exemplary alkali metals for use in the reaction include lithium, sodium and potassium; exemplary alkali metal hydrides include sodium hydride and potassium hydride; and exemplary organoalkali metals include methyllithium, butyllithium and phenyllithium.
  • MZ k (11) M is a metal selected from Group 4 of the periodic table; Z is a halogen, an anionic ligand or a neutral ligand capable of coordination by a lone pair of electrons, and may be the same or different; and k is an integer of 3 to 6.
  • Preferred compounds having the formula (11) include trivalent or tetravalent titanium fluorides, titanium chlorides, titanium bromides and titanium iodides; tetravalent zirconium fluorides, zirconium chlorides, zirconium bromides and zirconium iodides; tetravalent hafnium fluorides, hafnium chlorides, hafnium bromides and hafnium iodides; and complexes thereof with ethers such as tetrahydrofuran, diethylether, dioxane and 1,2-dimethoxyethane.
  • the organic solvent used herein is as described above.
  • the reaction between the dialkali metal salt and the compound of the formula (11) is preferably an equimolar reaction and is carried out in the organic solvent at a reaction temperature of -80 to 200°C.
  • the resultant metallocene compound may be isolated and purified by, for example, extraction, recrystallization and sublimation. Identification of the transition metal compound of the present invention obtained as above can be made by a proton NMR spectrum, a 13 C-NMR spectrum, mass spectrometric analysis and elemental analysis.
  • catalyst components preferably comprise:
  • the organometallic compound (B-1) for use in the present invention is a compound of an organic metal compound selected from Group 1, 2, 12 and 13, for example:
  • R a and R b which may be the same or different, are each a hydrocarbon group of 1 to 15, preferably 1 to 4 carbon atoms
  • B-1b alkyl complex compounds of Group 1 metal and aluminum, represented by: M 2 AlR a 4 wherein M 2 is Li, Na or K, and R a is a hydrocarbon group of 1 to 15, preferably 1 to 4 carbon atoms, such as LiAl(C 2 H 5 ) 4 and LiAl (C 7 H 15 ) 4
  • B-1c dialkyl compounds of Group 2 or 12 metal, represented by: R
  • organometallic compounds (B-1) the organoaluminum compounds are preferred.
  • the organometallic compounds (B-1) may be used individually or in combination of two or more kinds.
  • the organoaluminum oxy-compound (B-2) for use in the present invention may be a conventional aluminoxane, or a benzene-insoluble organoaluminum oxy-compound as disclosed in JP-A-HO 2 -78687.
  • the conventional aluminoxanes may be prepared by the following methods, and are normally obtained as solution in a hydrocarbon solvent.
  • the aluminoxane may contain small amounts of organometallic components. After the solvent and unreacted organoaluminum compound are distilled away from the recovered solution of the aluminoxane, the remainder may be redissolved in a solvent or suspended in a poor solvent for the aluminoxane.
  • organoaluminum compound used in preparing the aluminoxane include the compounds listed as the organoaluminum compounds (B-1a). Of those compounds, trialkylaluminum and tricycloalkylaluminum are preferred, and trimethylaluminum is particularly preferred.
  • the organoaluminum compounds may be used individually or in combination of two or more kinds.
  • the benzene-insoluble organoaluminum oxy-compound of the present invention desirably contains A1 components that will dissolve in 60°C benzene, in an amount of 10% or less, preferably 5% or less, and particularly preferably 2% or less in terms of A1 atom. That is, the organoaluminum oxy-compound is preferably insoluble or hardly soluble in benzene.
  • the organoaluminum oxy-compounds (B-2) may be used individually or in combination of two or more kinds.
  • the compound (B-3) capable of forming an ion pair by reacting with the transition metal compound (A) (hereinafter the "ionizing ionic compound") of the present invention can be selected from, for example, the Lewis acids, ionic compounds, borane compounds and carborane compounds disclosed in JP-A-H01-501950 , JP-A-H01-502036 , JP-A-H03-179005 , JP-A-H03-179006 , JP-A-H03-207703 , JP-A-H03-207704 and U.S. Patent No. 5321106 . Further, heteropoly compounds and isopoly compounds are also employable.
  • ionizing ionic compounds (B-3) may be used individually or in combination of two or more kinds.
  • transition mrtal compound of the present invention is used in combination with the organoaluminum oxy-compound (B-2), for example methyl aluminoxane, as an auxiliary catalyst component, the resultant olefin polymerization catalyst will exhibit particularly high polymerization activity for olefin compounds.
  • the olefin polymerization catalyst may optionally contain a carrier (C).
  • the carrier (C) used in the present invention is an inorganic or organic solid compound of granular or fine particle state.
  • Preferred inorganic compounds include porous oxides, inorganic chlorides, clays, clay minerals and ion-exchange layered compounds.
  • Suitable porous oxides include SiO 2 , Al 2 O 3 , MgO, ZrO 2 , TiO 2 , B 2 O 3 , CaO, ZnO, BaO, ThO 2 , and composites and mixtures thereof such as natural or synthetic zeolites, SiO 2 -MgO, SiO 2 -Al 2 O 3 , SiO 2 -TiO 2 , SiO 2 -V 2 O 5 , SiO 2 -Cr 2 O 3 and SiO 2 -TiO 2 -MgO.
  • porous oxides whose main components are SiO 2 and/or Al 2 O 3 are preferable.
  • the porous oxides have various properties depending on the types and how they are produced.
  • the carrier used in the present invention desirably ranges in particle diameter from 5 to 300 ⁇ m, preferably from 10 to 200 ⁇ m, and in specific surface area from 50 to 1000 m 2 /g, preferably 100 to 700 m 2 /g, and in pore volume from 0.3 to 3.0 cm 3 /g.
  • the carrier may optionally be calcined at 100 to 1000°C, preferably at 150 to 700°C prior to use.
  • Suitable inorganic chlorides include MgCl 2 , MgBr 2, MnCl 2 and MnBr 2 .
  • the inorganic chlorides may be used directly or after ground by a ball mill or a vibration mill.
  • Alternative prior-to-use treatment is such that the inorganic chlorides are dissolved in a solvent, such as alcohol, and are separated out as fine particles by means of a separating agent.
  • the clay for use in the present invention mainly comprises a clay mineral.
  • the ion-exchange layered compound for use in the present invention has a crystal structure in which planes formed by ionic bonds pile parallel one another with weak bonding strength, and contains exchangeable ions.
  • Most clay minerals are the ion-exchange layered compounds.
  • the clays, clay minerals and ion-exchange layered compounds may be natural or synthetic. Examples of the clays, clay minerals and ion-exchange layered compounds include clays, clay minerals and ionic crystalline compounds having a layered crystal structure such as hexagonal closest packing structure, antimony structure, CdCl 2 structure or CdI 2 structure.
  • Exemplary clays and clay minerals include kaolin, bentonite, kibushi clay, potter's clay, allophane, hisingerite, pyrophyllite, mica, montmorillonite, vermiculite, chlorite, palygorskite, kaolinite, nacrite, dickite and halloysite.
  • Exemplary ion-exchange layered compounds include crystalline acid salts of polyvalent metals, such as ⁇ -Zr (HAsO 4 ) 2 .H 2 O, ⁇ -Zr (HPO 4 ) 2 , ⁇ -Zr (KPO 4 ) 2 .
  • the clays and clay minerals of the present invention are chemically treated.
  • the chemical treatment may be, for example, a surface treatment to remove impurities adhering to the surface or a treatment affecting the crystal structure of the clay. Examples of such chemical treatments include acid treatment, alkali treatment, salt treatment and organic substance treatment.
  • the ion-exchange layered compound used in the present invention may be enlarged in interlaminar spacing by replacing the exchangeable ions between layers with larger and bulkier ions by means of its ion exchangeability.
  • the bulkier ions play a role as supporting columns in the layered structure, and are generally called pillars. Introduction of different compounds between layers of a layered compound is called intercalation.
  • Guest compounds for the intercalation include cationic inorganic compounds such as TiCl 4 and ZrCl 4 , metallic alkoxides such as Ti(OR) 4 , Zr(OR) 4 , PO(OR) 3 and B(OR) 3 (wherein R is a hydrocarbon group or the like), and metallic hydroxide ions such as [Al 13 O 4 (OH) 24 ] 7+ , [Zr 4 (OH) 14 ] 2+ and [Fe 3 O (OCOCH 3 ) 6 ] + . These compounds may be used individually or in combination of two or more kinds.
  • intercalation of these compounds may be carried out in the presence of polymers obtained by hydrolysis of metallic alkoxides such as Si (OR) 4 , Al(OR) 3 and Ge(OR) 4 (wherein R is a hydrocarbon group or the like), or in the presence of colloidal inorganic compounds such as SiO 2 .
  • Exemplary pillars include oxides which occur as a result of thermal dehydration after the metallic hydroxide ions have been intercalated between layers.
  • the clays and clay minerals particularly montmorillonite, vermiculite, pectolite, taeniolite and synthetic mica, are preferred.
  • Exemplary organic compounds include granular or particulate solids ranging from 5 to 300 ⁇ m in particle diameters. Specific examples include (co)polymers mainly comprising ⁇ -olefins of 2 to 14 carbon atoms such as ethylene, propylene, 1-butene and 4-methyl-1-pentene; (co)polymers mainly comprising vinylcyclohexane and styrene; and modified products thereof.
  • the olefin polymerization catalyst of the present invention may optionally contain a specific organic compound component (D).
  • the organic compound component (D) of the present invention is used optionally for the purpose of improving the polymerization activity and obtaining polymers with enhanced properties.
  • examples of the organic compound include, although not limited thereto, alcohols, phenolic compounds, carboxylic acids, phosphorous compounds and sulfonates.
  • the two or more catalyst components may be previously in contact with each other when they are fed to a polymerization reactor.
  • an unsupported component (B) may be added at an arbitrary sequence according to necessity.
  • the supported component (B) and the unsupported component (B) may be the same or different.
  • the solid catalyst component in which the component (A) is supported on the component (C) or in which the components (A) and (B) are supported on the component (C) may be prepolymerized with an olefin. Another catalyst component may be supported on the prepolymerized solid catalyst component.
  • one or more olefins are polymerized or copolymerized in the presence of the aforesaid olefin polymerization catalyst to give olefin polymers.
  • the polymerization may be carried out by a liquid-phase polymerization process, such as solution polymerization or suspension polymerization, or a gas-phase polymerization process.
  • the liquid-phase polymerization may be conducted using an inert hydrocarbon solvent.
  • Examples thereof include aliphatic hydrocarbons such as propane, butane, pentane, hexane, heptane, octane, decane, dodecane and kerosine; alicyclic hydrocarbons such as cyclopentane, cyclohexane and methylcyclopentane; aromatic hydrocarbons such as benzene, toluene and xylene; halogenated hydrocarbons such as ethylene chloride, chlorobenzene and dichloromethane; and mixtures thereof.
  • the olefin itself can work as a solvent.
  • the component (A) is used in an amount of 10 -8 to 10 -2 mol, preferably 10 -7 to 10 -3 mol per liter of the reaction volume.
  • the component (B-1) is used in an amount such that the molar ratio ((B-1)/M) of the component (B-1) to all the transition metal atoms (M) in the component (A) will be 0.01 to 5000, preferably 0.05 to 2000.
  • the component (B-2) is used in an amount such that the molar ratio ((B-2)/M) of the component (B-2) in terms of aluminum atom to all the transition metal atoms (M) in the component (A) will be 10 to 5000, preferably 20 to 2000.
  • the component (B-3) is used in an amount such that the molar ratio ((B-3)/M) of the component (B-3) to the transition metal atoms (M) in the component (A) will be 1 to 10, preferably 1 to 5.
  • the component (D) is used in an amount such that:
  • the olefin polymerization using the olefin polymerization catalyst is generally conducted at -50 to +200°C, preferably 0 to 170°C.
  • the polymerization pressure may range from atmospheric pressure to 10 MPa (gauge pressure), preferably from atmospheric pressure to 5 MPa (gauge pressure) .
  • the polymerization can be carried out batchwise, semi-continuously or continuously, and in two or more stages under different conditions.
  • the molecular weights of resulting olefin polymers may be adjusted by adding hydrogen to the polymerization system, by controlling the polymerization temperature or by changing the amount of the component (B). When hydrogen is added, the addition is suitably conducted at 0.001 to 100 NL based on 1 kg of olefin.
  • At least one monomer is preferably selected from ethylene and ⁇ -olefins, in which ethylene or propylene is an essential monomer.
  • ⁇ -olefins include linear or branched ⁇ -olefins of 3 to 20, preferably 3 to 10 carbon atoms, such as propylene, 1-butene, 2-butene, 1-pentene, 3-methyl-1-butene, 1-hexane, 4-methyl-1-pentene, 3-methyl-1-penten 1-octene, 1-decene, 1-dodecene, 1-tetradecene, 1-hexadecene, 1-octadecene and 1-eicosene.
  • Suitable monomers further include cycloolefins of 3 to 30, preferably 3 to 20 carbon atoms, such as cyclopentene, cycloheptene, norbornene, 5-methyl-2-norbornene, tetracyclododecene and 2-methyl-1, 4, 5, 8-dimethano-1, 2, 3, 4, 4a, 5, 8, 8a-octahydronaphthalene; polar monomers, such as ⁇ , ⁇ -unsaturated carboxylic acids, including acrylic acid, methacrylic acid, fumaric acid, maleic anhydride, itaconic acid, itaconic anhydride and bicyclo[2.2.1]-5-heptene-2,3-dicarboxylic anhydride, and metal salts thereof with sodium, potassium, lithium, zinc, magnesium and calcium; ⁇ , ⁇ -unsaturated carboxylate, such as methyl acrylate, ethyl acrylate, n-propyl acrylate, isopropyl
  • the polymerization can be carried out in the presence of vinylcyclohexanes, dienes, polyenes and aromatic vinyl compounds; for example, styrene and mono- or poly-alkyl styrenes, such as o-methylstyrene, m-methylstyrene, p-methylstyrene, o,p-dimethylstyrene, o-ethylstyrene, m-ethylstyrene and p-ethylstyrene; styrene derivatives containing a functional group, such as methoxystyrene, ethoxystyrene, vinylbenzoic acid, vinyl methylbenzoate, vinylbenzyl acetate, hydroxystyrene, o-chlorostyrene, p-chlorostyrene and divinylbenzene; and 3-phenylpropylene, 4-phenylpropylene and ⁇
  • At least one monomer is ethylene or propylene.
  • either the ethylene or propylene, or both the ethylene and propylene will preferably have an amount of 50 mol% or more relative to all the monomers.
  • the process described above may be favorably used to produce, for example, ethylene/propylene copolymers (EPR), propylene/ethylene copolymers (PER), propylene/ethylene random copolymers (random PP), propylene/ethylene block copolymers (block PP) and propylene/butene random copolymers (PBR).
  • EPR ethylene/propylene copolymers
  • PER propylene/ethylene copolymers
  • random PP propylene/ethylene random copolymers
  • block PP propylene/ethylene block copolymers
  • PBR propylene/butene random copolymers
  • the area at about 1155 cm -1 in a rocking vibration based on methyl group of propylene and the absorbance at about 4325 cm -1 in a overtone absorption caused by C-H stretching vibration were determined and from the ratio thereof, the ethylene content in the polymer was calculated by an analysis curve (prepared using a standard specimen standardized by 13 C-NMR).
  • the organic phase was dried with anhydrous magnesium sulfate, thereafter the drying agent was filtered off and the solvent was distilled off from the filtrate under reduced pressure to give a dark-red liquid.
  • the liquid was purified with a column chromatography using 300 g of silica gel (developing solvent: n-hexane) and the developing solvent was distilled off under reduced pressure, and thereby the aimed compound was obtained in an amount of 3.28 g (10.9 mmol) as a reddish-orange solid (yield: 54%).
  • the organic phase was dried with anhydrous magnesium sulfate, thereafter the drying agent was filtered off and the solvent was distilled off from the filtrate under reduced pressure to give red oil.
  • the red oil was re-crystallized from ethanol and dried under reduced pressure, and thereby the aimed compound was obtained in an amount of 0.648 g (1.39 mmol) as a pale yellow solid (yield: 13 %).
  • the solvent was distilled off under reduced pressure to give a reddish-orange solid.
  • a glove box 0.325 g of zirconium tetrachloride (1.39 mmol) was added to the solid and cooled in a dry ice /methanol bath.
  • 50 ml of dehydrated diethyl ether sufficiently cooled in a dry ice/methanol bath was transported through a cannular tube and stirred for 4 days while gradually returning the temperature to room temperature.
  • the reaction mixture was introduced into the glove box and the solvent was distilled off under reduced pressure.
  • the residual product was re-slurried with 50 ml of dehydrated hexane and filtered off using a glass filter filled with diatomaceous earth.
  • the filtrate was concentrated to prepare a solid and the solid was washed with dehydrated diethyl ether and dried under reduced pressure, and thereby the aimed compound was obtained in an amount of 35 mg (0.056 mmol) as a reddish-pink solid.
  • the reddish-orange solid remained on the filter was washed with a small amount of dichloromethane and the solvent was distilled off under reduced pressure from the filtrate.
  • the resulting reddish-brown solid was washed with a small amount of diethyl ether and dried under reduced pressure, and thereby the aimed compound was obtained in an amount of 11 mg (0.018 mmol) as a reddish-pink solid (yield: 5%).
  • the identification was carried out by 1 H-NMR spectrum and FD-mass spectrometry spectrum. The measurement results are shown below.
  • the pale orange solid was washed with dehydrated pentane and dried under reduced pressure to prepare a pale orange solid.
  • 30 ml of dehydrated diethyl ether was added and sufficiently cooled by a dry ice/methanol bath, and then 0.515 g of zirconium tetrachloride (2.21 mmol) was added.
  • the mixture was stirred for 3 days while gradually returning the temperature to room temperature and thereafter the solvent was distilled off.
  • the reaction mixture was introduced into a glove box and was re-slurried with dehydrated pentane and filtered using a glass filter filled with diatomaceous earth.
  • the filtrate was concentrated to prepare a solid and the solid was washed with a small amount of dehydrated toluene and dried under reduced pressure, and thereby the aimed compound was obtained in an amount of 894 mg (1.21 mmol) as a reddish-pink solid (yield: 49%).
  • the identification was carried out by 1 H-NMR spectrum and FD-mass spectrometry spectrum. The measurement results are shown below.
  • the liquid was purified by a column chromatography using 180 g of silica gel (developing solvent: n-hexane) and the developing solvent was distilled off under reduced pressure. The remainder was re-crystallized using methanol and dried under reduced pressure, and thereby the aimed compound was obtained in an amount of 1.65 g (2.85 mmol) as a pale yellow solid (yield: 31 %).
  • the orange solid was washed with dehydrated pentane and dried under reduced pressure to prepare an orange solid.
  • 30 ml of dehydrated diethyl ether was added and sufficiently cooled by a dry ice/methanol bath, and then 0.206 g of zirconium tetrachloride (0.882 mmol) was added.
  • the mixture was stirred for 2 days while gradually returning the temperature to room temperature and thereafter the solvent was distilled off under reduced pressure.
  • the reaction mixture was introduced into a glove box and was re-slurried with dehydrated hexane and filtered using a glass filter filled with diatomaceous earth.
  • the filtrate was concentrated to prepare a solid and the solid was washed with a small amount of dehydrated toluene and dried under reduced pressure, and thereby the aimed compound was obtained in an amount of 140 mg (0.189 mmol) as a pink solid (yield: 22%).
  • the identification was carried out by 1 H-NMR spectrum and FD-mass spectrometry spectrum. The measurement results are shown below.
  • the organic phase was dried with anhydrous magnesium sulfate, and thereafter the drying agent was filtered off and the solvent was distilled off from the filtrate under reduced pressure to give a dark red liquid.
  • the liquid was purified by a column chromatography using 170 g of silica gel (developing solvent: n-hexane) and the developing solvent was distilled off under reduced pressure, and thereby the aimed compound was obtained in an amount of 2.55 g (7.76 mmol) as a red solid (yield: 43 %).
  • the red brown liquid was purified by a column chromatography using 80 g of silica gel (developing solvent: n-hexane) and the developing solvent was distilled off under reduced pressure.
  • the residue product was re-crystallized using hexane and dried under reduced pressure, and thereby the aimed compound was obtained in an amount of 0.140 g (0.282 mmol) as a pale yellow solid (yield: 13 %).
  • the reaction solution was sufficiently cooled in a dry ice/ methanol bath and then 0.231 g of zirconium tetrachloride (0.990 mmol) was added. The solution was stirred for 4 days while gradually returning the temperature to room temperature, and thereafter the solvent was distilled off under reduced pressure.
  • the reaction mixture was introduced into a glove box and re-slurried with dehydrated pentane and then filtered with a glass filter filled with diatomaceous earth. The filtrate was concentrated to prepare a solid, and the solid was washed with a small amount of dehydrated diethyl ether and dried under reduced pressure and thereby the aimed compound was obtained as a reddish-pink solid.
  • the pink solid remained on the filter was washed with a small amount of dichloromethane and the solvent was distilled off under reducedpressure from the filtrate.
  • the resulting reddish-pink solid was washed with a small amount of diethyl ether and dried under reduced pressure, and thereby the aimed compound was obtained as a reddish-pink solid.
  • the aimed compound was obtained in a total amount of 222 mg (0.340 mmol) (yield: 34%).
  • the identification was carried out by 1 H-NMR spectrum and FD-mass spectrometry spectrum. The measurement results are shown below.
  • the organic phase was dried with anhydrous magnesium sulfate, thereafter the drying agent was filtered off and the solvent was distilled off from the filtrate under reduced pressure to give dark-brown oil.
  • the oil was purified with a column chromatography using 400 g of silica gel (developing solvent: n-hexane) and the developing solvent was distilled off under reduced pressure, and thereby the aimed compound was obtained in an amount of 4.42 g (15.4 mmol) as an orange solid (yield: 40%).
  • the oil was re-crystallized using hexane and thereby the aimed compound was obtained in an amount of 1.03 g (2.28 mmol) as a pale yellow solid.
  • the solid further was purified with a chromatography using 100 g of silica gel (developing solvent: n-hexane) and the developing solvent was distilled off under reduced pressure and thereby the aimed compound was obtained in an amount of 0. 370. g (0.817 mmol) as a yellow solid (yield: 67%).
  • the reaction solution was sufficiently cooled in a dry ice /methanol bath, and then 0.528 g of a complex of zirconium tetrachloride and tetrahydrofuran (1:2) (1.40 mmol) was added to the solution.
  • the mixed solution was stirred for 2 days while gradually returning the temperature to room temperature and thereafter the solvent was distilled off under reduced pressure.
  • the reaction mixture was introduced into a glove box, and thereafter re-slurried with dehydrated diethyl ether and filtered with a glass filter filled with diatomaceous earth.
  • the identification was carried out by 1 H-NMR spectrum and FD-mass spectrometry spectrum. The measurement results are shown below.
  • the polymer was obtained in an amount of 0.58 g and had a polymerization activity of 23.3 Kg-PE/mmol-Zr ⁇ hr. In the analysis results, the polymer had a [ ⁇ ] value of 10.5 dl/g, a Mw of 695,000 and a Mw/Mn ratio of 3.6.
  • Example 5c Polymerization was carried out in the same conditions as Example 5c except for adding diphenylmethylene(3-tert-butyl-5-methyl-cyclopentadienyl) (3,6-di-tert-butyl-fluorenyl) zirconium dichloride synthesized in Example 2c as a transition metal compound.
  • the polymer was obtained in an amount of 1.02 g and had a polymerization activity of 41.0 Kg-PE/mmol-Zr ⁇ hr. In the analysis results, the polymer had a [ ⁇ ] value of 15.1 dl/g, a Mw of 1,066,000 and a Mw/Mn ratio of 4.4.
  • Example 5c Polymerization was carried out in the same conditions as Example 5c except for adding diphenylmethylene(3-tert-butyl-S-methyl-cyclopentadienyl)(2,7-di-tert-butyl-fluorenyl) zirconium dichloride synthesized in Example 3c as a transition metal compound.
  • the polymer was obtained in an amount of 0.50 g and had a polymerization activity of 20.0 Kg-PE/mmol-Zr-hr. In the analysis results, the polymer had a [ ⁇ ] value of 13.8 dl/g, a Mw of 1,068,000 and a Mw/Mn ratio of 4.2.
  • Example 5c Polymerization was carried out in the same conditions as Example 5c except that di(p-tolyl)methylene (3-tert-butyl-5-methyl-cyclopentadienyl) (fluorenyl) zirconium dichloride synthesized in Example 4c was used as a transition metal compound and the polymerization time was 2 min.
  • the polymer was obtained in an amount of 0.62 g and had a polymerization activity of 37.3 Kg-PE/mmol-Zr-hr. In the analysis results, the polymer had a [ ⁇ ] value of 10.4 dl/g, a Mw of 672, 000 and a Mw/Mn ratio of 3.3.
  • Polymerization was carried out in the same conditions as Example 5c except for adding dimethylmethylene(3-tert-butyl-5-methyl-cyclopentadienyl) (fluorenyl) zirconium dichloride synthesized by the method as described in the pamphlet of WO01/27124 , as a transition metal compound.
  • the polymer was obtained in an amount of 1.97 g and had a polymerization activity of 79.7 Kg-PE/mmol-Zr.hr. In the analysis results, the polymer had a [ ⁇ ] value of 8.86 dl/g, a Mw of 635, 000 and a Mw/Mn ratio of 3.4.
  • Polymerization was carried out in the same conditions as Example 5c except for adding dimethylmethylene(3-tert-butyl-5-methyl-cyclopentadienyl)(3,6-di-tert-butyl-fluorenyl) zirconium dichloride synthesized by the method as described in WO01/27124 , as a transition metal compound.
  • the polymer was obtained in an amount of 1. 69 g and had a polymerization activity of 67.0 Kg-PE/mmol-Zr ⁇ hr. In the analysis results, the polymer had a [ ⁇ ] value of 6.44 dl/g, a Mw of 759,000 and a Mw/Mn ratio of 4.0.
  • Example 5c Polymerization was carried out in the same conditions as Example 5c except for adding diphenylmethylene(3-tert-butyl--cyclopentadienyl)(fluorenyl)zirconium dichloride synthesized in Comparative Example 1c, as a transition metal compound.
  • the polymer was obtained in an amount of 1.77 g and had a polymerization activity of 70.4 Kg-PE/mmol-Zr ⁇ hr.
  • the polymer had a [ ⁇ ] value of 10.6 dl/g, a Mw of 994,000 and a Mw/Mn ratio of 4.5.
  • the polymer obtained was 9.46 g of isotactic polypropylene and had a polymerization activity of 3.78 Kg-PP/mmol-Zr ⁇ hr.
  • the polymer had a Tm of 128.2°C, a [ ⁇ ] value of 1.05 dl/g, a Mw of 108,000 and a Mw/Mn ratio of 1.8.
  • Example 9c Polymerization was carried out in the same conditions as Example 9c except for adding diphenylmethylene(3-tert-butyl-5-methyl-cyclopentadienyl)(3,6-di-tert-butyl-fluorenyl) zirconium dichloride synthesized in Example 2c as a transition metal compound.
  • the polymer obtained was 1.30 g of isotactic polypropylene and had a polymerization activity of 0.52 Kg-PP/mmol-Zr ⁇ hr.
  • the polymer had a Tm of 136.7°C, a [ ⁇ ] value of 0.89 dl/g, a Mw of 88, 000 and a Mw/Mn ratio of 1.7.
  • Example 9c Polymerization was carried out in the same conditions as Example 9c except for adding 4.1 ⁇ mol of a toluene solution of diphenylmethylene(3-tert-butyl- 5-methyl-cyclopentadienyl) (2,7-di-tert-butyl-fluorenyl) zirconium dichloride synthesized in Example 3c as a transition metal compound.
  • the polymer obtained was 3.58 g of isotactic polypropylene and had a polymerization activity of 1.73 Kg-PP/mmol-Zr-hr.
  • the polymer had a Tm of 133.8°C, a [ ⁇ ] value of 1.87 dl/g, a Mw of 218,000 and a Mw/Mn ratio of 1.9.
  • Example 9c Polymerization was carried out in the same conditions as Example 9c except for adding di(p-tolyl)methylene (3-tert-butyl-5-methyl-cyclopentadienyl) (fluorenyl) zirconium dichloride synthesized in Example 4c as a transition metal compound.
  • the polymer obtained was 10.1 g of isotactic polypropylene and had a polymerization activity of 3.99 Kg-PP/mmol-Zr ⁇ hr.
  • the polymer had a Tm of 128. 0°C, a [ ⁇ ] value of 1.02 dl/g, a Mw of 94,000 and a Mw/Mn ratio of 1.8.
  • Polymerization was carried out in the same conditions as Example 9c except for adding dimethylmethylene(3-tert-butyl-5-methyl-cyclopentadienyl) (fluorenyl) zirconium dichloride synthesized by the method as described in WO01/27124 , as a transition metal compound.
  • the polymer obtained was 0.72 g of isotactic polypropylene and had a polymerization activity of 0.28 Kg-PP/mmol-Zr ⁇ hr.
  • the polymer had a Tm of 133.6°C, a [ ⁇ ] value of 1.14 dl/g, a Mw of 77,000 and a Mw/Mn ratio of 2.0.
  • Polymerization was carried out in the same conditions as Example 9c except for adding dimethylmethylene (3-tert-butyl-5-methyl-cyclopentadienyl)(3,6-di-tert-butyl-fluorenyl) zirconium dichloride synthesized by the method as described in WO01/27124 , as a transition metal compound.
  • the polymer obtained was 0.91 g of isotactic polypropylene and had a polymerization activity of 0.37 Kg-PP/mmol-Zr ⁇ hr.
  • the polymer had a Tm of 142.4 °C, a [ ⁇ ] value of 0.95 dl/g, a Mw of 95,000 and a Mw/Mn ratio of 1.7.
  • Example 9c Polymerization was carried out in the same conditions as Example 9c except for adding diphenylmethylene (3-tert-butyl-cyclopentadienyl)(fluorenyl) zirconium dichloride synthesized in Comparative Example 1, as a transition metal compound.
  • the polymer obtained was 6.35 g of isotactic polypropylene and had a polymerization activity of 2.55 Kg-PP/mmol-Zr ⁇ hr.
  • the polymer had a Tm of 126.5°C, a [ ⁇ ] value of 0.33 dl/g, a Mw of 26, 000 and a Mw/Mn ratio of 1.6.
  • the polymer was obtained in an amount of 16.4 g and had a polymerization activity of 19.8 Kg-Polymer/mmol-Zr ⁇ hr. In the analysis results, the polymer had an ethylene content of 18 mol% and a [ ⁇ ] value of 1.20 dl/g.
  • Polymerization was carried out in the same conditions as Example 13c except for passing through ethylene at a rate of 50 L/hr and propylene at a rate of 100 L/hr.
  • the polymer was obtained in an amount of 19. 9 g and had a polymerization activity of 23.6 Kg-Polymer/mmol-Zr ⁇ hr.
  • the polymer had an ethylene content of 30 mol% and a [ ⁇ ] value of 1.23 dl/g.
  • Polymerization was carried out in the same conditions as Example 13c except that ethylene and propylene were passed through at a rate of 75 L/hr and 75 L/hr, respectively and the polymerization time was 10 min.
  • the polymer was obtained in an amount of 11.9 g and had a polymerization activity of 28.6 Kg-Polymer/mmol-Zr ⁇ hr.
  • the polymer had an ethylene content of 46 mol% and a [ ⁇ ] value of 1.47 dl/g.
  • the polymer was obtained in an amount of 4.49 g and had a polymerization activity of 5.40 Kg-Polymer/mmol-Zr ⁇ hr. In the analysis results, the polymer had an ethylene content of 19 mol% and a [ ⁇ ] value of 0.88 dl/g.
  • Polymerization was carried out in the same conditions as Example 16c except for passing through ethylene at a rate of 50 L/hr and propylene at a rate of 100 L/hr.
  • the polymer was obtained in an amount of 6.98 g and had a polymerization activity of 8.39 Kg-Polymer/mmol-Zr ⁇ hr.
  • the polymer had an ethylene content of 37 mol% and a [ ⁇ ] value of 0.94 dl/g.
  • Polymerization was carried out in the same conditions as Example 16c except that ethylene and propylene were passed through at a rate of 75 L/hr and 75 L/hr, respectively.
  • the polymer was obtained in an amount of 8.89 g and had a polymerization activity of 10.7 Kg-Polymer/mmol-Zr ⁇ hr.
  • the polymer had an ethylene content of 46 mol% and a [ ⁇ ] value of 1.30 dl/g.
  • the polymer was obtained in an amount of 7.60 g and had a polymerization activity of 18.3 Kg-Polymer/mmol-Zr ⁇ hr. In the analysis results, the polymer had an ethylene content of 14 mol% and a [ ⁇ ] value of 1.59 dl/g.
  • Polymerization was carried out in the same conditions as Example 19c except for passing through ethylene at a rate of 50 L/hr and propylene at a rate of 100 L/hr.
  • the polymer was obtained in an amount of 9.53 g and had a polymerization activity of 22.9 Kg-Polymer/mmol-Zr ⁇ hr.
  • the polymer had an ethylene content of 30 mol% and a [ ⁇ ] value of 1.55 dl/g.
  • Polymerization was carried out in the same conditions as Example 19c except that ethylene and propylene were passed through at a rate of 75 L/hr and 75 L/hr, respectively, and the polymerization time was 8 min.
  • the polymer was obtained in an amount of 7.94 g and had a polymerization activity of 23.8 Kg-Polymer/mmol-Zr ⁇ hr.
  • the polymer had an ethylene content of 39 mol% and a [ ⁇ ] value of 1.65 dl/g.
  • the polymer was obtained in an amount of 9.52 g and had a polymerization activity of 22.9 Kg-Polymer/mmol-Zr ⁇ hr. In the analysis results, the polymer had an ethylene content of 19 mol% and a [ ⁇ ] value of 0.97 dl/g.
  • Polymerization was carried out in the same conditions as Example 22c except for passing through ethylene at a rate of 50 L/hr and propylene at a rate of 100 L/hr.
  • the polymer was obtained in an amount of 12.0 g and had a polymerization activity of 28.8 Kg-Polymer/mmol-Zr ⁇ hr.
  • the polymer had an ethylene content of 32 mol% and a [ ⁇ ] value of 1.17 dl/g.
  • Polymerization was carried out in the same conditions as Example 22c except that ethylene and propylene were passed through at a rate of 75 L/hr and 75 L/hr, respectively, and the polymerization time was 5 min.
  • the polymer was obtained in an amount of 8.82 g and had a polymerization activity of 42.4 Kg-Polymer/mmol-Zr ⁇ hr.
  • the polymer had an ethylene content of 43 mol% and a [ ⁇ ] value of 1.29 dl/g.
  • the polymer was obtained in an amount of 1.97 g and had a polymerization activity of 2.35 Kg-Polymer/mmol-Zr ⁇ hr. In the analysis results, the polymer had an ethylene content of 31 mol% and a [ ⁇ ] value of 0.83 dl/g.
  • Polymerization was carried out in the same conditions as Comparative Example 8c except for passing through ethylene at a rate of 50 L/hr and propylene at a rate of 100 L/hr.
  • the polymer was obtained in an amount of 2.52 g and had a polymerization activity of 3.03 Kg-Polymer/mmol-Zr ⁇ hr.
  • the polymer had an ethylene content of 44 mol% and a [ ⁇ ] value of 1.00 dl/g.
  • Polymerization was carried out in the same conditions as Comparative Example 8c except for passing through ethylene at a rate of 75 L/hr and propylene at a rate of 75 L/hr.
  • the polymer was obtained in an amount of 3.29 g and had a polymerization activity of 3.95 Kg-Polymer/mmol-Zr ⁇ hr.
  • the polymer had an ethylene content of 59 mol% and a [ ⁇ ] value of 1.30 dl/g.
  • the polymer was obtained in an amount of 0.34 g and had a polymerization activity of 0.40 Kg-Polymer/mmol-Zr ⁇ hr. In the analysis results, the polymer had an ethylene content of 29mmol% and a [ ⁇ ] value of 0.58 dl/g.
  • Polymerization was carried out in the same conditions as Comparative Example 11c except for passing through ethylene at a rate of 50 L/hr and propylene at a rate of 100 L/hr.
  • the polymer was obtained in an amount of 1.22 g and had a polymerization activity of 1.49Kg-Polymer/mmol-Zr ⁇ hr.
  • the polymer had an ethylene content of 45 mol% and a [ ⁇ ] value of 0.78 dl/g.
  • Polymerization was carried out in the same conditions as Comparative Example 11c except for passing through ethylene at a rate of 75 L/hr and propylene at a rate of 75 L/hr.
  • the polymer was obtained in an amount of 2.19 g and had a polymerization activity of 2.63 Kg-Polymer/mmol-Zr ⁇ hr.
  • the polymer had an ethylene content of 63 mol% and a [ ⁇ ] value of 1.18 dl/g.
  • the polymer was obtained in an amount of 12.4 g and had a polymerization activity of 29.7 Kg-Polymer/mmol-Zr ⁇ hr. In the analysis results, the polymer had an ethylene content of 21 mol% and a [ ⁇ ] value of 0.46 dl/g.
  • Polymerization was carried out in the same conditions as Comparative Example 14c except for passing through ethylene at a rate of 50 L/hr and propylene at a rate of 100 L/hr.
  • the polymer was obtained in an amount of 13.5 g and had a polymerization activity of 32.4 Kg-Polymer/mmol-Zr ⁇ hr.
  • the polymer had an ethylene content of 35 mol% and a [ ⁇ ] value of 0.78 dl/g.
  • Polymerization was carried out in the same conditions as Comparative Example 14c except for passing ethylene at a rate of 75 L/hr and propylene at a rate of 75 L/hr.
  • the polymer was obtained in an amount of 15. 9 g and had a polymerization activity of 38.2 Kg-Polymer/mmol-Zr ⁇ hr.
  • the polymer had an ethylene content of 48 mol% and a [ ⁇ ] value of 0.72 dl/g.
  • the polymerization was carried out at 60°C for 15 min while the internal pressure of the autoclave was kept to 8.0 Kg/cm 2 G, and then a small amount of methanol was added to stop the polymerization.
  • the resulting polymer solution was added into excess amounts of methanol mixed with hydrochloric acid and the polymer precipitated was separated with filtration. Thereafter, the polymer was dried under reduced pressure at 80°C for 10 hr.
  • the polymer was obtained in an amount of 10. 6 g and had a polymerization activity of 212 Kg-Polymer/mmol-Zr ⁇ hr.
  • the polymer had an ethylene content of 37 mol%, a [ ⁇ ] value of 2.44 dl/g, a Mw of 382,000 and a Mw/Mn ratio of 2.0.
  • the polymer was obtained in an amount of 11.4 g and had a polymerization activity of 91.1 Kg-Polymer/mmol-Zr ⁇ hr. In the analysis results, the polymer had an ethylene content of 39 mol% and a [ ⁇ ] value of 1.78 dl/g, a Mw of 228, 000 and a Mw/Mn ratio of 1.9.
  • the polymer was obtained in an amount of 8.74 g and had a polymerization activity of 69.9 Kg-Polymer/mmol-Zr ⁇ hr.
  • the polymer had an ethylene content of 45 mol% and a [ ⁇ ] value of 1.24 dl/g, a Mw of 149,000 and a Mw/Mn ratio of 1.8.
  • the polymer was obtained in an amount of 10. 8 g and had a polymerization activity of 86.6 Kg-Polymer/mmol-Zr ⁇ hr.
  • the polymer had an ethylene content of 43 mol% and a [ ⁇ ] value of 1.06 dl/g, a Mw of 124,000 and a Mw/Mn ratio of 1.8.
  • Al silica-supported methyl aluminoxane
  • Polymerization was carried out in the same conditions as Example 27c except that 0.30 N1 of hydrogen was added after 500 g of the liquid propylene was fed.
  • the polymer obtained was 67.4 g of isotactic polypropylene and had a polymerization activity of 93.2 Kg-PP/mmol-Zr ⁇ hr.
  • the polymer had a [ ⁇ ] value of 1.61 dl/g, a Mw of 198,000 and a Mw/Mn ratio of 2.4 and a Tm of 142.7°C.
  • Polymerization was carried out in the same conditions as Example 29c except that 0.30 Nl of hydrogen was added after 500 g of the liquid propylene was fed.
  • the polymer obtained was 99.8 g of isotactic polypropylene and had a polymerization activity of 163 Kg-PP/mmol-Zr ⁇ hr.
  • the polymer had a [ ⁇ ] value of 1.02 dl/g, a Mw of 107, 000 and a Mw/Mn ratio of 2.2 and a Tm of 155.1°C.
  • the polymer obtained was 39.9 g of isotactic polypropylene and had a polymerization activity of 44.2 Kg-PP/mmol-Zr ⁇ hr.
  • the polymer had a [ ⁇ ] value of 3.19 dl/g, a Mw of 489, 000 and a Mw/Mn ratio of 2.6 and a Tm of 140.9°C.
  • Polymerization was carried out in the same conditions as Comparative Example 19c except that 0.30 N1 of hydrogen was added after 500 g of the liquid propylene was fed.
  • the polymer obtained was 101 g of isotactic polypropylene and had a polymerization activity of 112 Kg-PP/mmol-Zr ⁇ hr.
  • the polymer had a [ ⁇ ] value of 1.85 dl/g, a Mw of 229,000 and a Mw/Mn ratio of 2.4 and a Tm of 143.6°C.
  • Polymerization was carried out in the same conditions as Comparative Example 21c except that 0.30 N1 of hydrogen was added after 500 g of the liquid propylene was fed.
  • the polymer obtained was 108 g of isotactic polypropylene and had a polymerization activity of 146 Kg-PP/mmol-Zr ⁇ hr.
  • the polymer had a [ ⁇ ] value of 1.60 dl/g, a Mw of 178,000 and a Mw/Mn ratio of 2.2 and a Tm of 158.2°C.
  • the polymer obtained was 39.5 g of isotactic polypropylene and had a polymerization activity of 53.4 Kg-PP/mmol-Zr ⁇ hr.
  • the polymer had a [ ⁇ ] value of 1.02 dl/g, a Mw of 103,000 and a Mw/Mn ratio of 1.9 and a Tm of 130.6°C.
  • Polymerization was carried out in the same conditions as Comparative Example 23c except that 0.30 N1 of hydrogen was added after 500 g of the liquid propylene was fed.
  • the polymer obtained was 143 g of isotactic polypropylene and had a polymerization activity of 193 Kg-PP/mmol-Zr ⁇ hr.
  • the polymer had a [ ⁇ ] value of 0.53 dl/g, a Mw of 41,000 and a Mw/Mn ratio of 1.7 and a Tm of 133.8°C.
  • Table 4c-1 Transition metal compound MAO Hydrogen Polymerization time Yield kind Zr concentration [ ⁇ mol] Al concentration [mmol] [Nl] [min] [g]
  • Example 27c A 1.08 0.24 - 40 16 28c A 1.08 0.24 0.3 40 67.4 29c B 0.92 0.54 - 40 6.3 30c B 0.92 0.54 0.3 40 99.8 Comparative Example 19c E 1.35 0.24 - 40 39.9 20c E 1.35 0.24 0.3 40 101 21c F 1.11 0.54 - 40 8.23 22c F 1.11 0.54 0.3 40 108 23c G 1.11 0.24 - 40 39.5 24c G 1.11 0.24 0.3 40 143
  • Table 4c-2 Polymerization activity [ ⁇ ] Mw Mw/Mn Tm [Kg/mmol-Zr ⁇ h] [dl/g] [x10 3 ] [-] .
  • Polymerization was carried out in the same conditions as Example 31c except that 10 N1 of ethylene was added.
  • the polymer was obtained in an amount of 288 g and had a polymerization activity of 150 Kg-Polymer/mmol-Zr ⁇ hr.
  • the polymer had an ethylene content of 4.4 mol%, a [ ⁇ ] value of 2.63 dl/g and a Tm of 120.7°C.
  • the polymer was obtained in an amount of 472 g and had a polymerization activity of 365 Kg-Polymer/mmol-Zr ⁇ hr. In the analysis results, the polymer had an ethylene content of 4.3 mol%, a [ ⁇ ] value of 1.76 dl/g and a Tm of 127.7°C.
  • the organic phase was dried with anhydrous magnesium sulfate, thereafter the drying agent was filtered off and the solvent was distilled off from the filtrate under reduced pressure to give a reddish-brown solid.
  • the solid was purified with a column chromatography using 240 g of silica gel (developing solvent: n-hexane) and the developing solvent was distilled off under reduced pressure, and thereby the aimed compound was obtained in an amount of 2.10 g (5.09 mmol) as a reddish-orange solid (yield: 30%).
  • the organic phase was dried with anhydrous magnesium sulfate, thereafter the drying agent was filtered off and the solvent was distilled off from the filtrate under reduced pressure to give a reddish-brown solid.
  • the solid was purified with a column chromatography using 150 g of silica gel (developing solvent: n-hexane) and the developing solvent was distilled off under reduced pressure. The remaining product was re-crystallized using hexane and dried under reduced pressure, and thereby the aimed compound was obtained in an amount of 0.439 g (0.758 mmol) as a pale yellow solid (yield: 19%).
  • the reaction solution was cooled sufficiently in an dry ice/methanol bath and 0.224 g of zirconium tetrachloride (0.961 mmol) was added. The solution was stirred for 2 days while returning the temperature to room temperature. Thereafter, the solvent was distilled off under reduced pressure.
  • the reaction mixture was introduced into a glove box and re-slurried with dehydrated hexane and filtered off using a glass filter filled with diatomaceous earth. The solvent in the filtrate was distilled off to prepare a solid. The solid was washed with a small amount of dehydrated pentane. The solvent of the washing liquid was distilled off and the remaining product was dried under reduced pressure, and thereby the aimed compound was obtained in an amount of 216 mg (0.292 mmol) as a reddish-orange solid (yield: 38%).
  • the identification was carried out by 1 H-NMR spectrum and FD-mass spectrometry spectrum. The measurement results are shown below.
  • the solid was purified with a column chromatography using 110 g of silica gel (developing solvent: n-hexane) and the developing solvent was distilled off under reduced pressure, and thereby the aimed compound was obtained in an amount of 2.79 g (7.56 mmol) as a red solid (yield: 83%).
  • the reaction mixture was gradually added dropwise to 30 ml of a hydrochloric acid aqueous solution (1N) set in an ice bath, and stirred briefly. Therein, diethyl ether was added to separate an organic phase. The organic phase was washed with a saturated sodium bicarbonate aqueous solution, water and saturated brine. The organic phase was dried with anhydrous magnesium sulfate, thereafter the drying agent was filtered off and the solvent was distilled off from the filtrate under reduced pressure to give a red solid. The solid was purified with a column chromatography using 180 g of silica gel (developing solvent: n-hexane) and the developing solvent was distilled off under reduced pressure.
  • the solid was washed with dehydrated hexane and dried under reduced pressure to prepare a reddish-orange solid.
  • 20 ml of dehydrated diethyl ether was added and the reaction solution was cooled sufficiently in a dry ice/methanol bath and 0.306 g of zirconium tetrachloride (1.31 mmol) was added.
  • the solution was stirred for 3 days while gradually returning the temperature to room temperature. Thereafter, the solvent was distilled off under reduced pressure.
  • the reaction mixture was introduced into a glove box and re-slurried with dehydrated hexane and filtered off using a glass filter filled with diatomaceous earth. The filtrate was concentrated to prepare a solid.
  • the solid was separated with centrifugal separator and washed with a small amount of dehydrated diethyl ether, and thereby the aimed compound was obtained in an amount of 33.9 mg (0.049 mmol) as a reddish-orange solid (yield: 4%).
  • the identification was carried out by 1 H-NMR spectrum and FD-mass spectrometry spectrum. The measurement results are shown below.
  • the organic phase was washed with a saturated sodium bicarbonate aqueous solution, water and saturated brine.
  • the organic phase was dried with anhydrous magnesium sulfate, thereafter the drying agent was filtered off and the solvent was distilled off from the filtrate under reduced pressure to give a dark red solid.
  • the solid was purified with a column chromatography using 140 g of silica gel (developing solvent: n-hexane) and the developing solvent was distilled off under reduced pressure, and thereby the aimed compound was obtained in an amount of 3.88 g (8.89 mmol) as a red solid (yield: 86%).
  • the reaction mixture was gradually added dropwise to 30 ml of a hydrochloric acid aqueous solution set (1N) in an ice bath, and stirred at room temperature briefly. Therein, diethyl ether was added to separate an organic phase. The organic phase was washed with distilled water and saturated brine. The organic phase was dried with anhydrous magnesium sulfate, thereafter the drying agent was filtered off and the solvent was distilled off from the filtrate under reduced pressure to give a dark red solid. The solid was purified with a column chromatography using 220 g of silica gel (developing solvent: n-hexane) and the developing solvent was distilled off under reduced pressure. Thereafter, the remaining product was re-crystallized using hexane and dried under reduced pressure, and thereby the aimed compound was obtained in an amount of 1.69 g (2.72 mmol) as a white solid (yield: 31%).
  • the reaction solution was sufficiently cooled by an ice bath and 0.208 g of zirconium tetrachloride (0.893 mmol) was added. The solution was stirred for 3 days while gradually returning the temperature to room temperature. Thereafter, the solvent was distilled off under reduced pressure. The reaction mixture was introduced into a glove box and re-slurried with dehydrated hexane and filtered off using a glass filter filled with diatomaceous earth. The filtrate was concentrated to prepare a solid.
  • the solid was separated with centrifugal separator, washed with a small amount of dehydrated diethyl ether and dried under reduced pressure, and thereby the aimed compound was obtained in an amount of 97.2 mg (0.127 mmol) as a reddish-pink solid (yield: 14%).
  • the identification was carried out by 1 H-NMR spectrum and FD-mass spectrometry spectrum. The measurement results are shown below.
  • the resulting slurry was filtered with a filter, and a powder present on the filter was washed with 10 ml of dehydrated toluene once and then washed with 10 ml of dehydrated hexane three times.
  • the powder obtained after washing was dried under reduced pressure for 1.5 hr and 0.70 g of the powder was obtained.
  • the powder was mixed with 6.40 g of mineral oil to prepare a 9.9 wt% slurry.
  • the polymer had an ethylene content of 31 mol%, a [ ⁇ ] value of 2.08 dl/g, a Mw of 255,000 and a Mw/Mn ratio of 2.4.
  • Polymerization was carried out in the same manner as Example 37c except that the internal pressure of the autoclave was set to 35 Kg/cm 2 G by pressurization with ethylene gas and the polymerization time was 6 min.
  • the polymer was obtained in an amount of 38.5 g and had a polymerization activity of 427 Kg-Polymer/mmol-Zr ⁇ hr.
  • the polymer had an ethylene content of 42 mol% and a [ ⁇ ] value of 2.57 dl/g, a Mw of 264,000-and a Mw/Mn ratio of 2.4.
  • Example 37c Polymerization was carried out in the same manner as Example 37c except that the internal pressure of the autoclave was set to 40 Kg/cm 2 G by pressurization with ethylene gas and 170 mg of the supported catalyst slurry prepared in Example 36c was used.
  • the polymer was obtained in an amount of 22.9 g and had a polymerization activity of 304 Kg-Polymer/mmol-Zr ⁇ hr.
  • the polymer had an ethylene content of 56 mol% and a [ ⁇ ] value of 3.19 dl/g, a Mw of 339, 000 and a Mw/Mn ratio of 2.3.
  • Example 37c Polymerization was carried out in the same manner as Example 37c except that 340 mg of the supported catalyst slurry prepared in Example 40c was used a supported catalyst.
  • the polymer was obtained in an amount of 4.8 g and had a polymerization activity of 31 Kg-Polymer/mmol-Zr-hr.
  • the polymer had an ethylene content of 27 mol%, a [ ⁇ ] value of 1.64 dl/g, a Mw of 153,000 and a Mw/Mn ratio of 2.2.
  • Example 37c Polymerization was carried out in the same manner as Example 37c except that the internal pressure of the autoclave was set to 35 Kg/cm 2 G by pressurization with ethylene gas and 340 mg of the supported catalyst slurry prepared in Example 40c was used.
  • the polymer was obtained in an amount of 16.4 g and had a polymerization activity of 106 Kg-Polymer/mmol-Zr ⁇ hr.
  • the polymer had an ethylene content of 40 mol% and a [ ⁇ ] value of 1.68 dl/g, a Mw of 137,000 and a Mw/Mn ratio of 2.4.
  • Example 37c Polymerization was carried out in the same manner as Example 37c except that the internal pressure of the autoclave was set to 40 Kg/cm 2 G by pressurization with ethylene gas and 170 mg of the supported catalyst slurry prepared in Example 40c was used.
  • the polymer was obtained in an amount of 10.8 g and had a polymerization activity of 139 Kg-Polymer/mmol-Zr ⁇ hr.
  • the polymer had an ethylene content of 57 mol% and a [ ⁇ ] value of 2.27 dl/g, a Mw of 195,000 and a Mw/Mn ratio of 2.1.
  • Polymerization was carried out in the same manner as Example 37c except that 340 mg of the supported catalyst slurry prepared in Example 44c was used as a supported catalyst and the polymerization time was 8 min.
  • the polymer was obtained in an amount of 16.7 g and had a polymerization activity of 136 Kg-Polymer/mmol-Zr ⁇ hr.
  • the polymer had an ethylene content of 34 mol%, a [ ⁇ ] value of 3.49 dl/g, a Mw of 425,000 and a Mw/Mn ratio of 2.2.
  • Example 37c Polymerization was carried out in the same manner as Example 37c except that the internal pressure of the autoclave was set to 35 Kg/cm 2 G by pressurization with ethylene gas and 340 mg of the supported catalyst slurry prepared in Example 44c was used.
  • the polymer was obtained in an amount of 41.7 g and had a polymerization activity of 272 Kg-Polymer/mmol-Zr ⁇ hr.
  • the polymer had an ethylene content of 44 mol% and a [ ⁇ ] value of 3.77 dl/g, a Mw of 466,000 and a Mw/Mn ratio of 2.3.
  • Polymerization was carried out in the same manner as Example 37c except that the internal pressure of the autoclave was set to 40 Kg/cm 2 G by pressurization with ethylene gas and 170 mg of the supported catalyst slurry prepared in Example 44c was used.
  • the polymer was obtained in an amount of 12.8 g and had a polymerization activity of 167 Kg-Polymer/mmol-Zr ⁇ hr.
  • the polymer had an ethylene content of 56 mol% and a [ ⁇ ] value of 4.51 dl/g, a Mw of 598,000 and a Mw/Mn ratio of 2.5.
  • Example 37c Polymerization was carried out in the same manner as Example 37c except that 340 mg of the supported catalyst slurry prepared in Example 48c was used as a supported catalyst.
  • the polymer was obtained in an amount of 21.3 g and had a polymerization activity of 122 Kg-Polymer/mmol-Zr ⁇ hr.
  • the polymer had an ethylene content of 37 mol%, a [ ⁇ ] value of 2.68 dl/g, a Mw of 324,000 and a Mw/Mn ratio of 2.3.
  • Example 37c Polymerization was carried out in the same manner as Example 37c except that the internal pressure of the autoclave was set to 35 Kg/cm 2 G by pressurization with ethylene gas and 340 mg of the supported catalyst slurry prepared in Example 48c was used.
  • the polymer was obtained in an amount of 23.9 g and had a polymerization activity of 137 Kg-Polymer/mmol-Zr ⁇ hr.
  • the polymer had an ethylene content of 47 mol% and a [ ⁇ ] value of 2.87 dl/g, a Mw of 318,000 and a Mw/Mn ratio of 2.3.
  • Example 37c Polymerization was carried out in the same manner as Example 37c except that the internal pressure of the autoclave was set to 40 Kg/cm 2 G by pressurization with ethylene gas and 170 mg of the supported catalyst slurry prepared in Example 48c was used.
  • the polymer was obtained in an amount of 14.7 g and had a polymerization activity of 169 Kg-Polymer/mmol-Zr ⁇ hr.
  • the polymer had an ethylene content of 56 mol% and a [ ⁇ ] value of 3.40 dl/g, a Mw of 373,000 and a Mw/Mn ratio of 2.6.
  • Example 37c Polymerization was carried out in the same manner as Example 37c except that 340 mg of the supported catalyst slurry prepared in Example 52c was used as a supported catalyst.
  • the polymer was obtained in an amount of 32.2 g and had a polymerization activity of 227 Kg-Polymer/mmol-Zr ⁇ hr.
  • the polymer had an ethylene content of 25 mol%, a [ ⁇ ] value of 2.05 dl/g, a Mw of 321, 000 and a Mw/Mn ratio of 2.3.
  • Example 37c Polymerization was carried out in the same manner as Example 37c except that the internal pressure of the autoclave was set to 35 Kg/cm 2 G by pressurization with ethylene gas and 170 mg of the supported catalyst slurry prepared in Example 52c was used.
  • the polymer was obtained in an amount of 17.3 g and had a polymerization activity of 243 Kg-Polymer/mmol-Zr ⁇ hr.
  • the polymer had an ethylene content of 39 mol% and a [ ⁇ ] value of 2.90 dl/g, a Mw of 317,000 and a Mw/Mn ratio of 2.2.
  • Example 37c Polymerization was carried out in the same manner, as Example 37c except that the internal pressure of the autoclave was set to 40 Kg/cm 2 G by pressurization with ethylene gas and 170 mg of the supported catalyst slurry prepared in Example 52c was used.
  • the polymer was obtained in an amount of 27.1 g and had a polymerization activity of 381 Kg-Polymer/mmol-Zr ⁇ hr.
  • the polymer had an ethylene content of 56 mol% and a [ ⁇ ] value of 3.03 dl/g, a Mw of 374, 000 and a Mw/Mn ratio of 2.4.
  • Example 37c Polymerization was carried out in the same manner as Example 37c except that 340 mg of the supported catalyst slurry prepared in Example 56c was used a supported catalyst and the polymerization time was 15 min.
  • the polymer was obtained in an amount of 6.6 g and had a polymerization activity of 26 Kg-Polymer/mmol-Zr ⁇ hr.
  • the polymer had an ethylene content of 28 mol%, a [ ⁇ ] value of 1.71 dl/g, a Mw of 205,000 and a Mw/Mn ratio of 2.6.
  • Example 37c Polymerization was carried out in the same manner as Example 37c except that the internal pressure of the autoclave was set to 35 Kg/cm 2 G by pressurization with ethylene gas and 340 mg of the supported catalyst slurry prepared in Example 56c was used.
  • the polymer was obtained in an amount of 8.2 g and had a polymerization activity of 49 Kg-Polymer/mmol-Zr ⁇ hr.
  • the polymer had an ethylene content of 45 mol% and a [ ⁇ ] value of 2.03 dl/g, a Mw of 201, 000 and a Mw/Mn ratio of 2.6.
  • Example 37c Polymerization was carried out in the same manner as Example 37c except that the internal pressure of the autoclave was set to 40 Kg/cm 2 G by pressurization with ethylene gas and 340 mg of the supported catalyst slurry prepared in Example 56c was used.
  • the polymer was obtained in an amount of 14.7 g and had a polymerization activity of 88 Kg-polymer/mmol-Zr ⁇ hr.
  • the polymer had an ethylene content of 59 mol% and a [ ⁇ ] value of 2.78 dl/g, a Mw of 234, 000 and a Mw/Mn ratio of 2.5.
  • Example 37c Polymerization was carried out in the same manner as Example 37c except that 354 mg of the supported catalyst slurry prepared in Example 60c was used as a supported catalyst.
  • the polymer was obtained in an amount of 6.0 g and had a polymerization activity of 40 Kg-Polymer/mmol-Zr ⁇ hr.
  • the polymer had an ethylene content of 31 mol%, a [ ⁇ ] value of 2.05 dl/g, a Mw of 246, 000 and a Mw/Mn ratio of 2.9.
  • Example 37c Polymerization was carried out in the same manner as Example 37c except that the internal pressure of the autoclave was set to 35 Kg/cm 2 G by pressurization with ethylene gas and 354mg of the supported catalyst slurry prepared in Example 60c was used.
  • the polymer was obtained in an amount of 8.1 g and had a polymerization activity of 54 Kg-Polymer/mmol-Zr ⁇ hr.
  • the polymer had an ethylene content of 50 mol% and a [ ⁇ ] value of 3.53 dl/g, a Mw of 322, 000 and a Mw/Mn ratio of 2.7.
  • Example 37c Polymerization was carried out in the same manner as Example 37c except that the internal pressure of the autoclave was set to 40 Kg/cm 2 G by pressurization with ethylene gas and 354 mg of the supported catalyst slurry prepared in Example 60c was used.
  • the polymer was obtained in an amount of 5.8 g and had a polymerization activity of 38 Kg-Polymer/mmol-Z-r ⁇ hr.
  • the polymer had an ethylene content of 61 mol% and a [ ⁇ ] value of 3.39 dl/g, a Mw of 389, 000 and a Mw/Mn ratio of 3.1.
  • the resulting slurry was filtered, and a powder present on the filter was washed with 10 ml of dehydrated toluene once and then washed with 10 ml of dehydrated hexane three times.
  • the powder obtained after washing was dried under reduced pressure for 1 hr and 0.91 g of the powder was obtained.
  • the powder was mixed with 8.14 g of mineral oil to prepare a 10.0 wt% slurry.
  • the polymer was obtained in an amount of 18.1 g and had a polymerization activity of 201 Kg-Polymer/mmol-Zr ⁇ hr.
  • the polymer had an ethylene content of 31 mol%, a [ ⁇ ] value of 0.85 dl/g, a Mw of 85, 000 and a Mw/Mn ratio of 1.9.
  • Polymerization was carried out in the same manner as Comparative Example 28c except that the internal pressure of the autoclave was set to 35 Kg/cm 2 G by pressurization with ethylene gas, 170 mg of the supported catalyst slurry prepared in Comparative Example 27c was used and the polymerization time was 10 min.
  • the polymer was obtained in an amount of 19.6 g and had a polymerization activity of 174 Kg-Polymer/mmol-Zr ⁇ hr.
  • the polymer had an ethylene content of 39 mol% and a [ ⁇ ] value of 1.00 dl/g, a Mw of 74,000 and a Mw/Mn ratio of 2.0.
  • Polymerization was carried out in the same manner as Comparative Example 28c except that the internal pressure of the autoclave was set to 40 Kg/cm 2 G by pressurization with ethylene gas, 170 mg of the supported catalyst slurry prepared in Comparative Example 27c was used and the polymerization time was 10 min.
  • the polymer was obtained in an amount of 29.0 g and had a polymerization activity of 257 Kg-Polymer/mmol-Zr ⁇ hr.
  • the polymer had an ethylene content of 49 mol% and a [ ⁇ ] value of 1.00 dl/g, a Mw of 80,000 and a Mw/Mn ratio of 2.1.
  • Polymerization was carried out in the same manner as Comparative Example 28c except that 340 mg of the supported catalyst slurry prepared in Comparative Example 31c was used as a supported catalyst and the polymerization time was 10 min.
  • the polymer was obtained in an amount of 23.9 g and had a polymerization activity of 141 Kg-Polymer/mmol-Zr ⁇ hr.
  • the polymer had an ethylene content of 30 mol%, a [ ⁇ ] value of 0.61 dl/g, a Mw of 36,000 and a Mw/Mn ratio of 1.8.
  • Polymerization was carried out in the same manner as Comparative Example 28c except that the internal pressure of the autoclave was set to 35 Kg/cm 2 G by pressurization with ethylene gas, 170mg of the supported catalyst slurry prepared in Comparative Example 31c was used and the polymerization time was 10 min.
  • the polymer was obtained in an amount of 31.0 g and had a polymerization activity of 367 Kg-Polymer/mmol-Zr ⁇ hr.
  • the polymer had an ethylene content of 39 mol% and a [ ⁇ ] value of 0.64 dl/g, a Mw of 41,000 and a Mw/Mn ratio of 1.9.
  • Polymerization was carried out in the same manner as Comparative Example 28c except that the internal pressure of the autoclave was set to 40 Kg/cm 2 G by pressurization with ethylene gas, 170 mg of the supported catalyst slurry prepared in Comparative Example 31c was used and the polymerization time was 10 min.
  • the polymer was obtained in an amount of 9.9 g and had a polymerization activity of 117 Kg-Polymer/mmol-Zr ⁇ hr.
  • the polymer had an ethylene content of 60 mol% and a [ ⁇ ] value of 0.73 dl/g, a Mw of 52,000 and a Mw/Mn ratio of 2.1.
  • the polymerization results are inclusively shown in Table 6c.
  • Example 27c Polymerization was carried out in the same conditions as Example 27c except that 680 mg of the supported catalyst slurry prepared in Example 44c was used.
  • the polymer obtained was 62 g of isotactic polypropylene and had a polymerization activity of 51 Kg-PP/mmol-Zr ⁇ hr.
  • the polymer had a [ ⁇ ] value of 3.28 dl/g, a Mw of 566, 000 and a Mw/Mn ratio of 2.8 and a Tm of 144.8°C.
  • Example 28c Polymerization was carried out in the same conditions as Example 28c except that 340 mg of the supported catalyst slurry prepared in Example 44c was used.
  • the polymer obtained was 124 g of isotactic polypropylene and had a polymerization activity of 203 Kg-PP/mmol-Zr ⁇ hr.
  • the polymer had a [ ⁇ ] value of 1.03 dl/g, a Mw of 94,000 and a Mw/Mn ratio of 2.3 and a Tm of 146.2°C.
  • Example 27c Polymerization was carried out in the same conditions as Example 27c except that 1020 mg of the supported catalyst slurry prepared in Example 48c was used.
  • the polymer obtained was 78 g of isotactic polypropylene and had a polymerization activity of 37 Kg-PP/mmol-Zr ⁇ hr.
  • the polymer had a [ ⁇ ] value of 3.03 dl/g, a Mw of 553, 000 and a Mw/Mn ratio of 3.2 and a Tm of 139.5°C.
  • Example 28c Polymerization was carried out in the same conditions as Example 28c except that 340 mg of the supported catalyst slurry prepared in Example 48c was used.
  • the polymer obtained was 52 g of isotactic polypropylene and had a polymerization activity of 75 Kg-PP/mmol-Zr ⁇ hr.
  • the polymer had a [ ⁇ ] value of 1.05 dl/g, a Mw of 97, 000 and a Mw/Mn ratio of 2.3 and a Tm of 142.1°C.
  • Example 27c Polymerization was carried out in the same conditions as Example 27c except that 1020 mg of the supported catalyst slurry prepared in Example 52c was used.
  • the polymer obtained was 125 g of isotactic polypropylene and had a polymerization activity of 73 Kg-PP/mmol-Zr ⁇ hr.
  • the polymer had a [ ⁇ ] value of 2.93 dl/g, a Mw of 366, 000 and a Mw/Mn ratio of 2.7 and a Tm of 141.0°C.
  • Example 28c Polymerization was carried out in the same conditions as Example 28c except that 340 mg of the supported catalyst slurry prepared in Example 52c was used.
  • the polymer obtained was 137 g of isotactic polypropylene and had a polymerization activity of 241 Kg-PP/mmol-Zr ⁇ hr.
  • the polymer had a [ ⁇ ] value of 1.09 dl/g, a Mw of 85,000 and a Mw/Mn ratio of 2.3 and a Tm of 142.6°C.
  • Example 27c Polymerization was carried out in the same conditions as Example 27c except that 1020 mg of the supported catalyst slurry prepared in Example 56c was used.
  • the polymer obtained was 34 g of isotactic polypropylene and had a polymerization activity of 17 Kg-PP/mmol-Zr ⁇ hr.
  • the polymer had a [ ⁇ ] value of 3.46 dl/g, a Mw of 547, 000 and a Mw/Mn ratio of 2.7 and a Tm of 137.2°C.
  • Example 28c Polymerization was carried out in the same conditions as Example 28c except that 340 mg of the supported catalyst slurry prepared in Example 56c was used.
  • the polymer obtained was 15 g of isotactic polypropylene and had a polymerization activity of 23 Kg-PP/mmol-Zr ⁇ hr.
  • the polymer had a [ ⁇ ] value of 1.10 dl/g, a Mw of 113, 000 and a Mw/Mn ratio of 2.3 and a Tm of 140.3°C.
  • Example 27c Polymerization was carried out in the same conditions as Example 27c except that 980 mg of the supported catalyst slurry prepared in Example 60c was used.
  • the polymer obtained was 29 g of isotactic polypropylene and had a polymerization activity of 18 Kg-PP/mmol-Zr ⁇ hr.
  • the polymer had a [ ⁇ ] value of 3.60 dl/g, a Mw of 613, 000 and a Mw/Mn ratio of 3.2 and a Tm of 141.7°C.
  • Example 28c Polymerization was carried out in the same conditions as Example 28c except that 355 mg of the supported catalyst slurry prepared in Example 60c was used.
  • the polymer obtained was 41 g of isotactic polypropylene and had a polymerization activity of 68 Kg-PP/mmol-Zr ⁇ hr.
  • the polymer had a [ ⁇ ] value of 1.04 dl/g, a Mw of 107,000 and a Mw/Mn ratio of 2.4 and a Tm of 146.7°C.
  • the polymerization results are inclusively shown in Table 7c.

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Claims (6)

  1. Composé (2a) de métal de transition, représenté par la formule (2a) suivante :
    Figure imgb0009
     dans laquelle :
    R1 et R3 représentent chacun un atome d'hydrogène,
    R2 et R4 représentent des entités identiques ou différentes, choisies parmi un groupe hydrocarboné et un groupe contenant du silicium,
    R5, R6, R7, R8, R9, R10, R11, R12 et R13 représentent des entités identiques ou différentes, choisies parmi un atome d'hydrogène, un groupe hydrocarboné et un groupe contenant du silicium, étant entendu que des substituants adjacents, représentés par deux des symboles R5 à R12, peuvent être raccordés en un cycle,
    R14 représente un groupe aryle, étant entendu que les entités représentées par les symboles R13 et R14 peuvent être identiques ou différentes, ou peuvent être raccordées en un cycle,
    M représente un atome d'un métal de transition du Groupe 4,
    Y représente un atome de carbone,
    les entités représentées par Q peuvent être identiques ou différentes et sont choisies parmi un atome d'halogène, un groupe hydrocarboné, un ligand anionique ou un ligand neutre capable de se coordiner par l'intermédiaire d'une paire d'électrons non-liante,
    et l'indice j est un nombre entier valant de 1 à 4.
  2. Composé (3a) de métal de transition, conforme à la revendication 1, dans lequel, dans la formule (2a), chacun des symboles R13 et R14 représente simultanément un groupe aryle.
  3. Catalyseur de polymérisation d'oléfines, comprenant :
    A) un composé de métal de transition, de type (2a) défini dans la revendication 1 ou (3a) défini dans la revendication 2 ;
    B) et au moins un composé choisi parmi :
    B-1) un composé organométallique,
    B-2) un composé de type organo-oxy-aluminium,
    B-3) et un composé capable de former une paire d'ions par réaction avec le composé de métal de transition (A).
  4. Procédé de production de polymères d'oléfines, qui comporte le fait de faire polymériser un ou plusieurs monomères choisis parmi l'éthylène et les alpha-oléfines, en présence d'un catalyseur de polymérisation d'oléfines conforme à la revendication 3, et dans lequel au moins l'un des monomères est de l'éthylène ou du propylène.
  5. Procédé conforme à la revendication 4, dans lequel le composé de métal de transition de type (2a) ou (3a) est employé sous forme supportée, déposé sur un support.
  6. Utilisation d'un composé de métal de transition, conforme à la revendication 1 ou 2, en tant que composant d'un catalyseur de polymérisation d'oléfines.
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